package cn.yuanqiao.archive.storeRoom.util;

import java.sql.Timestamp;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.*;

/** * 日期工具类 */
public class DateUtil {
    /**
     * 返回时间的字符串
     *
     * @param date
     * @return yyyy-mm-dd
     */
    public static String getDateString(Date date) {
        String result = null;
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        result = sdf.format(date);
        return result;
    }

    /**
     * 返回时间的字符串
     *
     * @param date   时间
     * @param format 格式
     * @return yyyy-mm-dd
     */
    public static String getDateString(Date date, String format) {
        String result = null;
        SimpleDateFormat sdf = new SimpleDateFormat(format);
        result = sdf.format(date);
        return result;
    }

    /**
     * 返回时间的字符串
     *
     * @param date
     * @return yyyy年mm月dd日
     */
    public static String getDateStringWithChinese() {
        Date date = new Date();
        String result = null;
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy年MM月dd日");
        result = sdf.format(date);
        return result;
    }

    /**
     * 返回上一年度
     *
     * @param date
     * @return yyyy
     */
    public static String getPreYear() {
        String result = getCurrenYear();
        result = String.valueOf(Integer.valueOf(result) - 1);
        return result;
    }

    /**
     * 返回当前年度
     *
     * @param date
     * @return yyyy
     */
    public static String getCurrenYear() {
        Date date = new Date();
        String result = null;
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy");
        result = sdf.format(date);
        return result;
    }

    /**
     * 返回下一年度
     *
     * @param date
     * @return yyyy
     */
    public static String getNextYear() {
        String result = getCurrenYear();
        result = String.valueOf(Integer.valueOf(result) + 1);
        return result;
    }

    /**
     * 获取当前时间的字符串
     *
     * @return yyyy-mm-dd
     */
    public static String getDateString() {
        return getDateString(new Date());
    }

    /**
     * 转Timstamp为yyyy-MM-dd字符串
     *
     * @param timestamp
     * @return yyyy-MM-dd
     */
    public static String getDateString(Timestamp timestamp) {
        String result = "";
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
        result = sdf.format(timestamp);
        return result;
    }

    /**
     * 转Timstamp为yyyy-MM-dd hh:mm:ss字符串
     *
     * @param timestamp
     * @return yyyy-MM-dd hh:mm:ss
     */
    public static String getTimeString(Timestamp timestamp) {
        if (timestamp == null) {
            return "";
        }
        String result = "";
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        result = sdf.format(timestamp);
        return result;
    }

    /**
     * 转String为Timstamp yyyy-MM-dd字符串
     *
     * @param timestamp
     * @return yyyy-MM-dd
     */
    public static Timestamp getStringToTime(String time) {
        DateFormat format = new SimpleDateFormat("yyyy-MM-dd");
        Timestamp ts = null;
        try {
            ts = new Timestamp(format.parse(time).getTime());
        } catch (ParseException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return ts;
    }
    /**
     * 获取当前时间的字符串
     *
     * @return yyyyMMdd
     */
    public static String getStringAbbreviations(String rq) {
        SimpleDateFormat sdf1=new SimpleDateFormat("yyyyMMdd");
        DateFormat dateFormat = new SimpleDateFormat("yyyyMMdd");
        String time = "";
        try {
            time = sdf1.format(dateFormat.parse(rq));
        }catch (ParseException e){
            e.printStackTrace();
        }
        return time;
    }
    /**
     *  判断 日期格式
     */
    public static boolean dateFormat(String rq,String format){
        boolean retValue = false;
        if(rq != null && !"".equals(rq)){
            SimpleDateFormat sdf1=new SimpleDateFormat(format);
            sdf1.setLenient(false);
            try {
                sdf1.parse(rq);
                retValue = true;
            }catch (ParseException e){
                //	e.printStackTrace();
            }
        }
        return retValue;
    }
    public static Timestamp getStringToTime1(String time) {
        DateFormat format = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
        Timestamp ts = null;
        try {
            ts = new Timestamp(format.parse(time).getTime());
        } catch (ParseException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return ts;
    }

    /**
     * 获取当前时间的字符串，精确到秒
     *
     * @return
     */
    public static String getSecondString() {
        Date date = new Date();
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        String year = cal.get(Calendar.YEAR) + "";
        String month = cal.get(Calendar.MONTH) < 9 ? "0" + (cal.get(Calendar.MONTH) + 1)
                : (cal.get(Calendar.MONTH) + 1) + "";
        String day = cal.get(Calendar.DAY_OF_MONTH) < 10 ? "0" + cal.get(Calendar.DAY_OF_MONTH)
                : cal.get(Calendar.DAY_OF_MONTH) + "";
        String hour = cal.get(Calendar.HOUR_OF_DAY) < 10 ? "0" + cal.get(Calendar.HOUR_OF_DAY)
                : cal.get(Calendar.HOUR_OF_DAY) + "";
        String minute = cal.get(Calendar.MINUTE) < 10 ? "0" + cal.get(Calendar.MINUTE) : cal.get(Calendar.MINUTE) + "";
        String second = cal.get(Calendar.SECOND) < 10 ? "0" + cal.get(Calendar.SECOND) : cal.get(Calendar.SECOND) + "";
        return year + month + day + hour + minute + second;
    }

    /**
     * 获取当天的开始时间
     * <p>Title: getDayBegin</p>
     * <p>Description: </p>
     * @return
     */
    public static Date getDayBegin() {
        Calendar cal = new GregorianCalendar();
        cal.set(Calendar.HOUR_OF_DAY, 0);
        cal.set(Calendar.MINUTE, 0);
        cal.set(Calendar.SECOND, 0);
        cal.set(Calendar.MILLISECOND, 0);
        return cal.getTime();
    }
    /**
     * 获取当天的结束时间
     * <p>Title: getDayEnd</p>
     * <p>Description: </p>
     * @return
     */
    public static Date getDayEnd() {
        Calendar cal = new GregorianCalendar();
        cal.set(Calendar.HOUR_OF_DAY, 23);
        cal.set(Calendar.MINUTE, 59);
        cal.set(Calendar.SECOND, 59);
        return cal.getTime();
    }

    /**
     * 获取昨天的开始时间
     * <p>Title: getBeginDayOfYesterday</p>
     * <p>Description: </p>
     * @return
     */
    public static Date getBeginDayOfYesterday() {
        Calendar cal = new GregorianCalendar();
        cal.setTime(getDayBegin());
        cal.add(Calendar.DAY_OF_MONTH, -1);
        return cal.getTime();
    }

    /**
     * 获取昨天的结束时间
     * <p>Title: getEndDayOfYesterDay</p>
     * <p>Description: </p>
     * @return
     */
    public static Date getEndDayOfYesterDay() {
        Calendar cal = new GregorianCalendar();
        cal.setTime(getDayEnd());
        cal.add(Calendar.DAY_OF_MONTH, -1);
        return cal.getTime();
    }

    /**
     * 获取明天的开始时间
     * <p>Title: getBeginDayOfTomorrow</p>
     * <p>Description: </p>
     * @return
     */
    public static Date getBeginDayOfTomorrow() {
        Calendar cal = new GregorianCalendar();
        cal.setTime(getDayBegin());
        cal.add(Calendar.DAY_OF_MONTH, 1);
        return cal.getTime();
    }

    /**
     * 获取明天的结束时间
     * <p>Title: getEndDayOfTomorrow</p>
     * <p>Description: </p>
     * @return
     */
    public static Date getEndDayOfTomorrow() {
        Calendar cal = new GregorianCalendar();
        cal.setTime(getDayEnd());
        cal.add(Calendar.DAY_OF_MONTH, 1);
        return cal.getTime();
    }

    /**
     * 获取本周的开始时间
     * <p>Title: getBeginDayOfWeek</p>
     * <p>Description: </p>
     * @return
     */
    @SuppressWarnings("unused")
    public static Date getBeginDayOfWeek() {
        Date date = new Date();
        if (date == null) {
            return null;
        }
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        int dayofweek = cal.get(Calendar.DAY_OF_WEEK);
        if (dayofweek == 1) {
            dayofweek += 7;
        }
        cal.add(Calendar.DATE, 2 - dayofweek);
        return getDayStartTime(cal.getTime());
    }

    /**
     * 获取本周的结束时间
     * <p>Title: getEndDayOfWeek</p>
     * <p>Description: </p>
     * @return
     */
    public static Date getEndDayOfWeek() {
        Calendar cal = Calendar.getInstance();
        cal.setTime(getBeginDayOfWeek());
        cal.add(Calendar.DAY_OF_WEEK, 6);
        Date weekEndSta = cal.getTime();
        return getDayEndTime(weekEndSta);
    }

    /**
     * 获取上周的开始时间
     * <p>Title: getBeginDayOfLastWeek</p>
     * <p>Description: </p>
     * @return
     */
    @SuppressWarnings("unused")
    public static Date getBeginDayOfLastWeek() {
        Date date = new Date();
        if (date == null) {
            return null;
        }
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        int dayofweek = cal.get(Calendar.DAY_OF_WEEK);
        if (dayofweek == 1) {
            dayofweek += 7;
        }
        cal.add(Calendar.DATE, 2 - dayofweek - 7);
        return getDayStartTime(cal.getTime());
    }

    /**
     * 获取上周的结束时间
     * <p>Title: getEndDayOfLastWeek</p>
     * <p>Description: </p>
     * @return
     */
    public static Date getEndDayOfLastWeek() {
        Calendar cal = Calendar.getInstance();
        cal.setTime(getBeginDayOfLastWeek());
        cal.add(Calendar.DAY_OF_WEEK, 6);
        Date weekEndSta = cal.getTime();
        return getDayEndTime(weekEndSta);
    }

    /**
     * 获取本月的开始时间
     * <p>Title: getBeginDayOfMonth</p>
     * <p>Description: </p>
     * @return
     */
    public static Date getBeginDayOfMonth() {
        Calendar calendar = Calendar.getInstance();
        calendar.set(getNowYear(), getNowMonth() - 1, 1);
        return getDayStartTime(calendar.getTime());
    }

    /**
     * 获取本月的结束时间
     * <p>Title: getEndDayOfMonth</p>
     * <p>Description: </p>
     * @return
     */
    public static Date getEndDayOfMonth() {
        Calendar calendar = Calendar.getInstance();
        calendar.set(getNowYear(), getNowMonth() - 1, 1);
        int day = calendar.getActualMaximum(5);
        calendar.set(getNowYear(), getNowMonth() - 1, day);
        return getDayEndTime(calendar.getTime());
    }

    /**
     * 获取上月的开始时间
     * <p>Title: getBeginDayOfLastMonth</p>
     * <p>Description: </p>
     * @return
     */
    public static Date getBeginDayOfLastMonth() {
        Calendar calendar = Calendar.getInstance();
        calendar.set(getNowYear(), getNowMonth() - 2, 1);
        return getDayStartTime(calendar.getTime());
    }

    /**
     * 获取上月的结束时间
     * <p>Title: getEndDayOfLastMonth</p>
     * <p>Description: </p>
     * @return
     */
    public static Date getEndDayOfLastMonth() {
        Calendar calendar = Calendar.getInstance();
        calendar.set(getNowYear(), getNowMonth() - 2, 1);
        int day = calendar.getActualMaximum(5);
        calendar.set(getNowYear(), getNowMonth() - 2, day);
        return getDayEndTime(calendar.getTime());
    }

    /**
     * 获取本年的开始时间
     * <p>Title: getBeginDayOfYear</p>
     * <p>Description: </p>
     * @return
     */
    public static Date getBeginDayOfYear() {
        Calendar cal = Calendar.getInstance();
        cal.set(Calendar.YEAR, getNowYear());
        cal.set(Calendar.MONTH, Calendar.JANUARY);
        cal.set(Calendar.DATE, 1);
        return getDayStartTime(cal.getTime());
    }

    /**
     * 获取本年的结束时间
     * <p>Title: getEndDayOfYear</p>
     * <p>Description: </p>
     * @return
     */
    public static Date getEndDayOfYear() {
        Calendar cal = Calendar.getInstance();
        cal.set(Calendar.YEAR, getNowYear());
        cal.set(Calendar.MONTH, Calendar.DECEMBER);
        cal.set(Calendar.DATE, 31);
        return getDayEndTime(cal.getTime());
    }

    /**
     * 获取某个日期的开始时间
     * <p>Title: getDayStartTime</p>
     * <p>Description: </p>
     * @param d
     * @return
     */
    public static Timestamp getDayStartTime(Date d) {
        Calendar calendar = Calendar.getInstance();
        if (null != d)
            calendar.setTime(d);
        calendar.set(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH), calendar.get(Calendar.DAY_OF_MONTH), 0,
                0, 0);
        calendar.set(Calendar.MILLISECOND, 0);
        return new Timestamp(calendar.getTimeInMillis());
    }

    /**
     * 获取某个日期的结束时间
     * <p>Title: getDayEndTime</p>
     * <p>Description: </p>
     * @param d
     * @return
     */
    public static Timestamp getDayEndTime(Date d) {
        Calendar calendar = Calendar.getInstance();
        if (null != d)
            calendar.setTime(d);
        calendar.set(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH), calendar.get(Calendar.DAY_OF_MONTH), 23,
                59, 59);
        calendar.set(Calendar.MILLISECOND, 999);
        return new Timestamp(calendar.getTimeInMillis());
    }

    /**
     * 获取今年是哪一年
     * <p>Title: getNowYear</p>
     * <p>Description: </p>
     * @return
     */
    public static Integer getNowYear() {
        Date date = new Date();
        GregorianCalendar gc = (GregorianCalendar) Calendar.getInstance();
        gc.setTime(date);
        return Integer.valueOf(gc.get(1));
    }

    /**
     * 获取本月是哪一月
     * <p>Title: getNowMonth</p>
     * <p>Description: </p>
     * @return
     */
    public static int getNowMonth() {
        Date date = new Date();
        GregorianCalendar gc = (GregorianCalendar) Calendar.getInstance();
        gc.setTime(date);
        return gc.get(2) + 1;
    }

    /**
     * 两个日期相减得到的天数
     * <p>Title: getDiffDays</p>
     * <p>Description: </p>
     * @param beginDate
     * @param endDate
     * @return
     */
    public static int getDiffDays(Date beginDate, Date endDate) {
        if (beginDate == null || endDate == null) {
            throw new IllegalArgumentException("getDiffDays param is null!");
        }
        long diff = (endDate.getTime() - beginDate.getTime()) / (1000 * 60 * 60 * 24);
        int days = new Long(diff).intValue();
        return days;
    }

    /**
     * 两个日期相减得到的毫秒数
     * <p>Title: dateDiff</p>
     * <p>Description: </p>
     * @param beginDate
     * @param endDate
     * @return
     */
    public static long dateDiff(Date beginDate, Date endDate) {
        long date1ms = beginDate.getTime();
        long date2ms = endDate.getTime();
        return date2ms - date1ms;
    }

    /**
     * 获取两个日期中的最大日期
     * <p>Title: max</p>
     * <p>Description: </p>
     * @param beginDate
     * @param endDate
     * @return
     */
    public static Date max(Date beginDate, Date endDate) {
        if (beginDate == null) {
            return endDate;
        }
        if (endDate == null) {
            return beginDate;
        }
        if (beginDate.after(endDate)) {
            return beginDate;
        }
        return endDate;
    }

    /**
     * 获取两个日期中的最小日期
     * <p>Title: min</p>
     * <p>Description: </p>
     * @param beginDate
     * @param endDate
     * @return
     */
    public static Date min(Date beginDate, Date endDate) {
        if (beginDate == null) {
            return endDate;
        }
        if (endDate == null) {
            return beginDate;
        }
        if (beginDate.after(endDate)) {
            return endDate;
        }
        return beginDate;
    }

    /**
     * 返回某月该季度的第一个月
     * <p>Title: getFirstSeasonDate</p>
     * <p>Description: </p>
     * @param date
     * @return
     */
    public static Date getFirstSeasonDate(Date date) {
        final int[] SEASON = { 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4 };
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        int sean = SEASON[cal.get(Calendar.MONTH)];
        cal.set(Calendar.MONTH, sean * 3 - 3);
        return cal.getTime();
    }
    /**
     * 获取指定格式字符串转换的日期对象
     * @param dateStr
     * @param format
     * @return
     */
    public static Date parseStringToDate(String dateStr,String format) {
        Date date = null;
        SimpleDateFormat sdf = new SimpleDateFormat(format);
        try {
            date = sdf.parse(dateStr);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return date;
    }
    /**
     * 返回某个日期下几天的日期
     * <p>Title: getNextDay</p>
     * <p>Description: </p>
     * @param date
     * @param i
     * @return
     */
    public static Date getNextDay(Date date, int i) {
        Calendar cal = new GregorianCalendar();
        cal.setTime(date);
        cal.set(Calendar.DATE, cal.get(Calendar.DATE) + i);
        return cal.getTime();
    }

    /**
     * 返回某个日期前几天的日期
     * <p>Title: getFrontDay</p>
     * <p>Description: </p>
     * @param date
     * @param i
     * @return
     */
    public static Date getFrontDay(Date date, int i) {
        Calendar cal = new GregorianCalendar();
        cal.setTime(date);
        cal.set(Calendar.DATE, cal.get(Calendar.DATE) - i);
        return cal.getTime();
    }

    /**
     * 获取某年某月到某年某月按天的切片日期集合(间隔天数的集合)
     * <p>Title: getTimeList</p>
     * <p>Description: </p>
     * @param beginYear
     * @param beginMonth
     * @param endYear
     * @param endMonth
     * @param k
     * @return
     */
    @SuppressWarnings({ "rawtypes", "unchecked" })
    public static List getTimeList(int beginYear, int beginMonth, int endYear, int endMonth, int k) {
        List list = new ArrayList();
        if (beginYear == endYear) {
            for (int j = beginMonth; j <= endMonth; j++) {
                list.add(getTimeList(beginYear, j, k));
            }
        } else {
            {
                for (int j = beginMonth; j < 12; j++) {
                    list.add(getTimeList(beginYear, j, k));
                }
                for (int i = beginYear + 1; i < endYear; i++) {
                    for (int j = 0; j < 12; j++) {
                        list.add(getTimeList(i, j, k));
                    }
                }
                for (int j = 0; j <= endMonth; j++) {
                    list.add(getTimeList(endYear, j, k));
                }
            }
        }
        return list;
    }

    /**
     * 获取某年某月按天切片日期集合(某个月间隔多少天的日期集合)
     * <p>Title: getTimeList</p>
     * <p>Description: </p>
     * @param beginYear
     * @param beginMonth
     * @param k
     * @return
     */
    @SuppressWarnings({ "unchecked", "rawtypes" })
    public static List getTimeList(int beginYear, int beginMonth, int k) {
        List list = new ArrayList();
        Calendar begincal = new GregorianCalendar(beginYear, beginMonth, 1);
        int max = begincal.getActualMaximum(Calendar.DATE);
        for (int i = 1; i < max; i = i + k) {
            list.add(begincal.getTime());
            begincal.add(Calendar.DATE, k);
        }
        begincal = new GregorianCalendar(beginYear, beginMonth, max);
        list.add(begincal.getTime());
        return list;
    }
}
